徳島大学 教育・研究者情報データベース(EDB)

1. (英) Satoshi Koyama

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2. (英) Shinji Matsunaga

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3. 今西 正樹([徳島大学.大学院医歯薬学研究部.薬学域.先端薬学教育研究プロジェクト]/[徳島大学.大学院医歯薬学研究部.薬学域.薬科学部門.生命薬学系.医薬品機能生化学])

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4. 前川 洋一

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5. (英) Hiroya Kitano

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6. (英) Hiromi Takeuchi

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7. 冨田 修平

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(英) Tumour blood vessel normalisation by prolyl hydroxylase inhibitor repaired sensitivity to chemotherapy in a tumour mouse model

(英) Blood vessels are important tissue structures that deliver oxygen and nutrition. In tumour tissue, abnormal blood vessels, which are hyperpermeable and immature, are often formed; these tissues also have irregular vascularisation and intravasation. This situation leads to hypoperfusion in tumour tissue along with low oxygen and nutrition depletion; this is also called the tumour microenvironment and is characterised by hypoxia, depleted nutrition, low pH and high interstitial pressure. This environment induces resistance to anticancer drugs, which causes an increase in anticancer drug doses, leading to increased side effects. We hypothesised that normalised tumour blood vessels would improve tumour tissue perfusion, resupply nutrition and re-oxygenate the tumour tissue. Chemotherapy would then be more effective and cause a decrease in anticancer drug doses. Here we report a neovascularisation-inducing drug that improved tumour vascular abnormalities, such as low blood flow, blood leakage and abnormal vessel structure. These results could lead to not only an increased chemo-sensitivity and tissue-drug distribution but also an up-regulated efficiency for cancer chemotherapy. This suggests that tumour blood vessel normalisation therapy accompanied by angiogenesis may be a novel strategy for cancer therapy.

1. (英) Article.ELocationID: 10.1038/srep45621

2. (英) Article.PublicationTypeList.PublicationType: Journal Article